942440990436 has 135 divisors (see below), whose sum is σ = 2708615903763. Its totient is φ = 285529931280.

The previous prime is 942440990399. The next prime is 942440990437. The reversal of 942440990436 is 634099044249.

It is a happy number.

The square root of 942440990436 is 970794.

It is a perfect power (a square), and thus also a powerful number.

942440990436 is a `hidden beast` number, since 94 + 24 + 409 + 90 + 43 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (942440990437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 192214761 + ... + 192219663.

Almost surely, 2^942440990436 is an apocalyptic number.

942440990436 is the 970794-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 942440990436

942440990436 is an abundant number, since it is smaller than the sum of its proper divisors (1766174913327).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

942440990436 is an equidigital number, since it uses as much as digits as its factorization.

942440990436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844 (or 4919 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 54.

The spelling of 942440990436 in words is "nine hundred forty-two billion, four hundred forty million, nine hundred ninety thousand, four hundred thirty-six".